138898560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1086

約数の個数: 128

約数和(自身を含む): 449256960

約数和(自身を除く): 310358400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 292, 320, 365, 384, 438, 480, 584, 640, 730, 876, 960, 991, 1095, 1168, 1460, 1752, 1920, 1982, 2190, 2336, 2920, 2973, 3504, 3964, 4380, 4672, 4955, 5840, 5946, 7008, 7928, 8760, 9344, 9910, 11680, 11892, 14016, 14865, 15856, 17520, 19820, 23360, 23784, 28032, 29730, 31712, 35040, 39640, 46720, 47568, 59460, 63424, 70080, 72343, 79280, 95136, 118920, 126848, 140160, 144686, 158560, 190272, 217029, 237840, 289372, 317120, 361715, 380544, 434058, 475680, 578744, 634240, 723430, 868116, 951360, 1085145, 1157488, 1446860, 1736232, 1902720, 2170290, 2314976, 2893720, 3472464, 4340580, 4629952, 5787440, 6944928, 8681160, 9259904, 11574880, 13889856, 17362320, 23149760, 27779712, 34724640, 46299520, 69449280, 138898560]

約数ペア:

[(1, 138898560), (2, 69449280), (3, 46299520), (4, 34724640), (5, 27779712), (6, 23149760), (8, 17362320), (10, 13889856), (12, 11574880), (15, 9259904), (16, 8681160), (20, 6944928), (24, 5787440), (30, 4629952), (32, 4340580), (40, 3472464), (48, 2893720), (60, 2314976), (64, 2170290), (73, 1902720), (80, 1736232), (96, 1446860), (120, 1157488), (128, 1085145), (146, 951360), (160, 868116), (192, 723430), (219, 634240), (240, 578744), (292, 475680), (320, 434058), (365, 380544), (384, 361715), (438, 317120), (480, 289372), (584, 237840), (640, 217029), (730, 190272), (876, 158560), (960, 144686), (991, 140160), (1095, 126848), (1168, 118920), (1460, 95136), (1752, 79280), (1920, 72343), (1982, 70080), (2190, 63424), (2336, 59460), (2920, 47568), (2973, 46720), (3504, 39640), (3964, 35040), (4380, 31712), (4672, 29730), (4955, 28032), (5840, 23784), (5946, 23360), (7008, 19820), (7928, 17520), (8760, 15856), (9344, 14865), (9910, 14016), (11680, 11892)]